00698cam a22002411  4500001001300000003000400013005001700017008004100034010001700075015001400092035001900106040004400125042001200169050001500181082001200196100002600208245005300234260003900287300004000326504004100366650003200407999001700439agr50000411 DLC20260227111013.0770519s1950    xx            000 0 eng c  aagr50000411   aGB50-2686  a(OCoLC)2978950  aU. S. Dept. of Agr. Libr.cODadUkdDLC  apremarc00aS495b.R68  a630.9731 aRoberts, Roy Wd1898-10aModern farmingc[by] Roy W. Roberts [and others]  aPhiladelphia,bLippincottc[c1950]  aviii, 600 p.billus., maps.c22 cm.  a"References" at end of each chapter. 0aAgriculturezUnited States.  c11163d11163